Fixed: Stream leakage inside CurlHttpDispatcher

src/NzbDrone.Common/Http/Dispatchers/CurlHttpDispatcher.cs

@@ -66,9 +66,9 @@ namespace NzbDrone.Common.Http.Dispatchers
 
             lock (CurlGlobalHandle.Instance)
             {
-                Stream responseStream = new MemoryStream();
-                Stream headerStream = new MemoryStream();
-
+                using (Stream responseStream = new MemoryStream())
+                using (Stream headerStream = new MemoryStream())
+                {
                     using (var curlEasy = new CurlEasy())
                     {
                         curlEasy.AutoReferer = false;
@@ -158,6 +158,7 @@ namespace NzbDrone.Common.Http.Dispatchers
                     }
                 }
             }
+        }
 
         private void AddProxy(CurlEasy curlEasy, HttpRequest request)
         {
@@ -259,6 +260,7 @@ namespace NzbDrone.Common.Http.Dispatchers
 
         private byte[] ProcessResponseStream(HttpRequest request, Stream responseStream, WebHeaderCollection webHeaderCollection)
         {
+            byte[] bytes = null;
             responseStream.Position = 0;
 
             if (responseStream.Length != 0)
@@ -268,21 +270,27 @@ namespace NzbDrone.Common.Http.Dispatchers
                 {
                     if (encoding.IndexOf("gzip") != -1)
                     {
-                        responseStream = new GZipStream(responseStream, CompressionMode.Decompress);
+                        using (var zipStream = new GZipStream(responseStream, CompressionMode.Decompress))
+                        {
+                            bytes = zipStream.ToBytes();
+                        }
 
                         webHeaderCollection.Remove("Content-Encoding");
                     }
                     else if (encoding.IndexOf("deflate") != -1)
                     {
-                        responseStream = new DeflateStream(responseStream, CompressionMode.Decompress);
+                        using (var deflateStream = new DeflateStream(responseStream, CompressionMode.Decompress))
+                        {
+                            bytes = deflateStream.ToBytes();
+                        }
 
                         webHeaderCollection.Remove("Content-Encoding");
                     }
                 }
             }
 
-            return responseStream.ToBytes();
-
+            if (bytes == null) bytes = responseStream.ToBytes();
+            return bytes;
         }
     }